1081888792 has 16 divisors (see below), whose sum is σ = 2040690960. Its totient is φ = 537704544.

The previous prime is 1081888763. The next prime is 1081888799. The reversal of 1081888792 is 2978881801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081888799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403563 + ... + 406234.

It is an arithmetic number, because the mean of its divisors is an integer number (127543185).

Almost surely, 2^1081888792 is an apocalyptic number.

It is an amenable number.

1081888792 is a deficient number, since it is larger than the sum of its proper divisors (958802168).

1081888792 is a wasteful number, since it uses less digits than its factorization.

1081888792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809970 (or 809966 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 52.

The square root of 1081888792 is about 32892.0779519932. The cubic root of 1081888792 is about 1026.5833287238.

The spelling of 1081888792 in words is "one billion, eighty-one million, eight hundred eighty-eight thousand, seven hundred ninety-two".